from tkinter import *
import time

def main():

    def sendMsg():#发送消息
        strMsg = "我:" + time.strftime("%Y-%m-%d %H:%M:%S",time.localtime())+ '\n'
        txtMsgList.insert(END, strMsg, 'greencolor')
        txtMsgList.insert(END, txtMsg.get('0.0', END))
        txtMsg.delete('0.0', END)

    def sendMsgEvent(event):#发送消息事件
        if event.keysym =='Up':
            sendMsg()
    #创建窗口
    app = Tk()
    app.title('与python聊天')

    #创建frame容器
    frmLT = Frame(width = 500, height = 320, bg = 'white')
    frmLC = Frame(width = 500, height = 150, bg = 'white')
    frmLB = Frame(width = 500, height = 30)
    frmRT = Frame(width = 200, height = 500)

    #创建控件
    txtMsgList = Text(frmLT)
    txtMsgList.tag_config('greencolor',foreground = '#008C00')#创建tag
    txtMsg = Text(frmLC)
    txtMsg.bind("<KeyPress-Up>", sendMsgEvent)
    btnSend = Button(frmLB, text = '发送', width = 8, command = sendMsg)
    imgInfo = PhotoImage(file = r"C:\Users\Administrator\Desktop\22.gif")
    lblImage = Label(frmRT, image = imgInfo)
    lblImage.image = imgInfo

    #窗口布局
    frmLT.grid(row = 0, column = 0, columnspan = 2, padx = 1, pady = 3)
    frmLC.grid(row = 1, column = 0, columnspan = 2, padx = 1, pady = 3)
    frmLB.grid(row = 2, column = 0, columnspan = 2)
    frmRT.grid(row = 0, column = 2, rowspan = 3, padx =2, pady = 3)

    #固定大小
    frmLT.grid_propagate(0)
    frmLC.grid_propagate(0)
    frmLB.grid_propagate(0)
    frmRT.grid_propagate(0)

    btnSend.grid(row = 2, column = 0)
    lblImage.grid()
    txtMsgList.grid()
    txtMsg.grid()

    #主事件循环
    app.mainloop()

if  __name__ == "__main__":
    main()